20074905

素因数分解:

$3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{4019}}^1$

素因数の和:4070

約数の個数: 32

約数和(自身を含む): 36662400

約数和(自身を除く): 16587495

約数列:

[1, 3, 5, 9, 15, 27, 37, 45, 111, 135, 185, 333, 555, 999, 1665, 4019, 4995, 12057, 20095, 36171, 60285, 108513, 148703, 180855, 446109, 542565, 743515, 1338327, 2230545, 4014981, 6691635, 20074905]

約数ペア:

[(1, 20074905), (3, 6691635), (5, 4014981), (9, 2230545), (15, 1338327), (27, 743515), (37, 542565), (45, 446109), (111, 180855), (135, 148703), (185, 108513), (333, 60285), (555, 36171), (999, 20095), (1665, 12057), (4019, 4995)]